Form 4 Tracker
TransDigm Group INC
TDG

21 insider filings · Latest: Apr 20, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
May 20, 2025May 20 8:24 PMSEAN P HENNESSY
Proposed Sale
4,700$1,436.52$6.8M

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May 20, 2025May 20 8:00 PMReiss Joel
Proposed Sale
6,300$1,434.35$9.0M

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May 13, 2025May 13 8:25 PMValladares III Jorge L.
Proposed Sale
10,000$1,430.22$14.3M

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May 13, 2025May 13 8:06 PMJESSICA L WARREN
Proposed Sale
490$1,425.00$698.3K

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May 5, 2025May 5 8:24 PMHowley W Nicholas
Proposed Sale
57,449$1,475.85$84.8M

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Apr 14, 2025Apr 14 8:30 PMStein Kevin M
Proposed Sale
20,000$1,329.61$26.6M

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Mar 6, 2025Mar 6 2:29 PMStockbridge Partners LLC
Proposed Sale
100,000$1,375.02$137.5M

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Mar 4, 2025Mar 4 10:41 PMJESSICA L WARREN
Proposed Sale
275$1,376.32$378.5K

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Feb 20, 2025Feb 20 9:08 PMReiss Joel
Proposed Sale
12,000$1,342.00$16.1M

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Feb 14, 2025Feb 14 10:42 PMROBERT SMALL
Proposed Sale
3,650$1,322.19$4.8M

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Jan 15, 2025Jan 15 9:03 PMHowley W Nicholas
Proposed Sale
21,888$1,300.73$28.5M

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Dec 20, 2024Dec 20 9:15 PMReiss Joel
Proposed Sale
9,000$1,260.00$11.3M

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Dec 12, 2024Dec 12 9:48 PMStein Kevin M
Proposed Sale
80,000$1,246.00$99.7M

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Dec 12, 2024Dec 12 2:42 PMStockbridge Partners LLC
Proposed Sale
45,000$1,246.65$56.1M

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Sep 16, 2024Sep 16 8:03 PMHowley W Nicholas
Proposed Sale
21,888$1,367.00$29.9M

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Sep 16, 2024Sep 16 8:02 PMReiss Joel
Proposed Sale
6,000$1,367.00$8.2M

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Apr 20, 2026Apr 21 8:36 PMNicholas W HowleyDirector
Option Exercise
10,13242,228(I)

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Apr 15, 2026Apr 16 8:57 PMJoel ReissCo-Chief Operating Officer
Option Exercise
3,900$284.9723,600(D)

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Mar 18, 2026Mar 19 8:33 PMNicholas W HowleyDirector
Option Exercise
10,1327,908(I)

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Mar 16, 2026Mar 17 8:05 PMJoel ReissCo-Chief Operating Officer
Option Exercise
3,900$284.9727,500(D)

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Feb 24, 2026Feb 25 9:18 PMPatrick Joseph MurphyCo-Chief Operating Officer
Option Exercise
1,460$347.171,450(D)

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Feb 18, 2026Feb 20 9:15 PMNicholas W HowleyDirector
Option Exercise
10,168$50.9218,040(I)

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Feb 17, 2026Feb 18 9:00 PMJoel ReissCo-Chief Operating Officer
Option Exercise
3,900$284.9731,400(D)

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Feb 5, 2026Feb 6 9:50 PMSarah WynneChief Financial Officer
Option Exercise
1,494$559.783,506(D)

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Feb 2, 2026Feb 3 9:37 PMKevin M SteinDirector
Option Exercise
48,00017,940(I)

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Feb 2, 2026Feb 3 9:35 PMPatrick Joseph MurphyCo-Chief Operating Officer
Option Exercise
290$269.421,160(D)

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